JEP 441, Pattern Matching for the switch, is completed in JDK 21, following four previews in JDKs 17-20 (JEPs 406, 420, 427, 433). It finalizes the feature, addressing feedback from previews, and enha ...

Allowing developers to handle an exception from the selector in switch with a case in the switch block would make switch more usable for pattern matching, the proposal says. The readability ...

As with all design patterns, it’s very important to know when to apply the Command pattern, and when another pattern might be better. Using the wrong design pattern for a use case can make your ...